Nanoworm BiVO4 Photoelectrochemical Sensor Prepared by a Cyanuric-Chloride-Assisted Sol-Gel Process and Its Sensing Property for Ascorbic Acid

A nanoworm BiVO4 photoanode was successfully synthesized by sol-gel drop-casting for the determination of ascorbic acid. The structure and surface morphology of the obtained samples were characterized, and their photoelectrochemical properties and sensing performance towards ascorbic acid were inves...

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Bibliographic Details
Published in:International journal of electrochemical science 2019-02, Vol.14 (2), p.1684-1697
Main Authors: Liu, Yi-Ye, Xiao, Yong-Hao, Zhang, Wei-De
Format: Article
Language:English
Subjects:
Ascorbic acid
BiVO4 photoanode
Cyanuric chloride
Nanoworm
Photoelectrochemical sensor
Sol-gel method
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Summary:A nanoworm BiVO4 photoanode was successfully synthesized by sol-gel drop-casting for the determination of ascorbic acid. The structure and surface morphology of the obtained samples were characterized, and their photoelectrochemical properties and sensing performance towards ascorbic acid were investigated. The precursor solids were also investigated, and the results proved that cyanuric chloride, which was bound with other precursors, generated the nanoworm morphology. The nanoworm BiVO4 photoanode enhanced the photocurrent density and exhibited a sensitivity of 68.9 μA mM-1 cm-2 towards ascorbic acid with high selectivity under visible light illumination.
ISSN:1452-3981
1452-3981
DOI:10.20964/2019.02.03